| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter 4 capable of easily performing mounting/removal to a fan by a simple structure. SOLUTION: The filter 4 mounted to the fan is constituted such that a frame 5 is formed on a peripheral edge of the filter 4 and the frame 5 clamps a spring body, i.e., a flexible material. Thereby, the filter 4 is flexible and can be bent when a force is applied. The filter 4 is retained by a flat surface body in the state that the force is not applied and a mounting/removal work of the filter 4 can be easily performed. COPYRIGHT: (C)2007,JPO&INPIT
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